J. Eur. Opt. Soc.-Rapid Publ.
Volume 12, Number 1, 2016
|Number of page(s)||11|
|Published online||05 September 2016|
Laguerre-Gaussian mode division multiplexing in multimode fiber using SLMs in VCSEL arrays
Optical Computing and Technology Research Laboratory, School of Computing, Universiti Utara Malaysia, Sintok, Kedah, Malaysia
2 Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, USA
Accepted: 12 May 2016
Mode division multiplexing (MDM) is a promising technology for increasing the aggregate bandwidth of multimode fiber (MMF) in conjunction with wavelength division multiplexing (WDM) in face of the impending capacity crunch in optical fiber networks. This paper investigates the effect of radial and azimuthal mode spacings in a 25-channel MDM-WDM system in MMF using a spatial light modulator-controlled VCSEL array for excitation of Laguerre-Gaussian (LG) modes. A data rate of 25Gbps is achieved at a central wavelength of 1550.12 nm. The effects of different azimuthal and radial mode spacings of LG modes are analyzed in terms of the channel impulse response, eye diagram and bit-error rate.
Key words: Mode division multiplexing / Laguerre-Gaussian mode / Spatial multiplexing / Multimode fiber / Optical fiber communications / Wavelength division multiplexing / Spatial diversity / Parallel computing / Interconnects / Data center
© The Author(s) 2016
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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